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パーキンソン病の精神病患者のためのピマバンセリン:ランダム化,プラセボ対照の第3相試験
Jeffrey Cummings1, Stuart Isaacson2, Roger Mills3
1Cleveland Clinic Lou Ruvo Center for Brain Health, Las Vegas, NV, USA.
Lancet (London, England)
|November 5, 2013
まとめ
ピマバンセリンは,パーキンソン病患者の精神病症状を効果的に軽減しました. この研究は,ピマバンセリンの安全性と有効性を実証し,この困難な状態に対する新しい治療選択肢を提供しました.
科学分野:
- 神経科学は神経科学である.
- 精神科医は精神病を患っている.
- 薬理学 薬理学とは
背景:
- パーキンソン病の精神病 (PDP) は,幻覚や妄想によって特徴づけられ,患者の生活の質に大きく影響を与えます.
- 現在,PDPに対する有効な治療法は限られている.
研究 の 目的:
- 選択性セロトニン5HT2A逆アゴニストであるピマバンセリンの安全性と有効性を,パーキンソン病の精神病患者で評価する.
主な方法:
- 6週間のランダム化,ダブルブラインド,プラセボ対照試験で,PDPを患った成人 (≥40歳) が参加しました.
- 参加者はピマバンセリン (40 mg/日) またはプラセボを投与され,2週間の非薬理学的予備段階を経た.
- 主なアウトカム指標は,SAPS-PDスコア (Scale for Assessment of Positive Symptoms-Parkinson's Disease) の変化であった.
主要な成果:
- ピマバンセリンは,プラセボと比較してSAPS-PDスコアの統計的に有意なより大きな減少を示した (差異 -3.06,p=0.001).
- ピマバンセリンは一般的によく耐えられ,安全性に関する重大な懸念や運動機能の悪化は報告されていません.
- プラセボ群では2人に対して,ピマバンセリンを投与した10人の患者で,有害事象が治療中止につながった.
結論:
- ピマバンセリンは,パーキンソン病の精神病の有益な治療法としての可能性を実証し,満たされていない重要な医学的ニーズに対応しています.
- プラセボ反応の管理のための研究の方法論は,将来の神経精神科の研究に適用される可能性があります.
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